7120904953 has 2 divisors, whose sum is σ = 7120904954. Its totient is φ = 7120904952.

The previous prime is 7120904951. The next prime is 7120904983. The reversal of 7120904953 is 3594090217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6940056249 + 180848704 = 83307^2 + 13448^2 .

It is a cyclic number.

It is not a de Polignac number, because 7120904953 - 2¹ = 7120904951 is a prime.

Together with 7120904951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7120904951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3560452476 + 3560452477.

It is an arithmetic number, because the mean of its divisors is an integer number (3560452477).

Almost surely, 2^7120904953 is an apocalyptic number.

It is an amenable number.

7120904953 is a deficient number, since it is larger than the sum of its proper divisors (1).

7120904953 is an equidigital number, since it uses as much as digits as its factorization.

7120904953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 7120904953 is about 84385.4546293376. The cubic root of 7120904953 is about 1923.8818448605.

The spelling of 7120904953 in words is "seven billion, one hundred twenty million, nine hundred four thousand, nine hundred fifty-three".